[1757] | 1 | from asap import rcParams, print_log, print_log_dec |
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| 2 | from asap import selector, scantable |
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[1614] | 3 | from asap import asaplog |
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[1153] | 4 | import matplotlib.axes |
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[1757] | 5 | from matplotlib.font_manager import FontProperties |
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| 6 | from matplotlib.text import Text |
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| 7 | |
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[1317] | 8 | import re |
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[203] | 9 | |
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| 10 | class asapplotter: |
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[226] | 11 | """ |
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| 12 | The ASAP plotter. |
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| 13 | By default the plotter is set up to plot polarisations |
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| 14 | 'colour stacked' and scantables across panels. |
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| 15 | Note: |
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| 16 | Currenly it only plots 'spectra' not Tsys or |
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| 17 | other variables. |
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| 18 | """ |
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[1757] | 19 | def __init__(self, visible=None , **kwargs): |
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[734] | 20 | self._visible = rcParams['plotter.gui'] |
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| 21 | if visible is not None: |
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| 22 | self._visible = visible |
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[1757] | 23 | self._plotter = self._newplotter(**kwargs) |
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[1758] | 24 | # additional tool bar |
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| 25 | self._plotter.figmgr.casabar=self._newcasabar() |
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[710] | 26 | |
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[554] | 27 | self._panelling = None |
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| 28 | self._stacking = None |
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| 29 | self.set_panelling() |
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| 30 | self.set_stacking() |
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[377] | 31 | self._rows = None |
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| 32 | self._cols = None |
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[203] | 33 | self._autoplot = False |
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[525] | 34 | self._minmaxx = None |
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| 35 | self._minmaxy = None |
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[710] | 36 | self._datamask = None |
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[203] | 37 | self._data = None |
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[607] | 38 | self._lmap = None |
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[226] | 39 | self._title = None |
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[257] | 40 | self._ordinate = None |
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| 41 | self._abcissa = None |
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[709] | 42 | self._abcunit = None |
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[920] | 43 | self._usermask = [] |
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| 44 | self._maskselection = None |
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| 45 | self._selection = selector() |
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[1023] | 46 | self._hist = rcParams['plotter.histogram'] |
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[1757] | 47 | self._fp = FontProperties() |
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[1723] | 48 | self._panellayout = self.set_panellayout(refresh=False) |
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[1023] | 49 | |
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[920] | 50 | def _translate(self, instr): |
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| 51 | keys = "s b i p t".split() |
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| 52 | if isinstance(instr, str): |
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| 53 | for key in keys: |
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| 54 | if instr.lower().startswith(key): |
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| 55 | return key |
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| 56 | return None |
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| 57 | |
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[1757] | 58 | def _newplotter(self, **kwargs): |
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[1724] | 59 | backend=matplotlib.get_backend() |
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| 60 | if not self._visible: |
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| 61 | from asap.asaplot import asaplot |
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| 62 | elif backend == 'TkAgg': |
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[710] | 63 | from asap.asaplotgui import asaplotgui as asaplot |
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[1724] | 64 | elif backend == 'Qt4Agg': |
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| 65 | from asap.asaplotgui_qt4 import asaplotgui as asaplot |
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| 66 | elif backend == 'GTkAgg': |
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| 67 | from asap.asaplotgui_gtk import asaplotgui as asaplot |
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[710] | 68 | else: |
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| 69 | from asap.asaplot import asaplot |
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[1757] | 70 | return asaplot(**kwargs) |
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[710] | 71 | |
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[1758] | 72 | def _newcasabar(self): |
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| 73 | backend=matplotlib.get_backend() |
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| 74 | if self._visible and backend == "TkAgg": |
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| 75 | from asap.casatoolbar import CustomToolbarTkAgg |
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| 76 | return CustomToolbarTkAgg(self) |
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| 77 | else: return None |
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| 78 | |
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[1757] | 79 | #@print_log_dec |
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[935] | 80 | def plot(self, scan=None): |
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[203] | 81 | """ |
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[920] | 82 | Plot a scantable. |
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[203] | 83 | Parameters: |
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[920] | 84 | scan: a scantable |
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[203] | 85 | Note: |
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[920] | 86 | If a scantable was specified in a previous call |
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[203] | 87 | to plot, no argument has to be given to 'replot' |
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[920] | 88 | NO checking is done that the abcissas of the scantable |
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[203] | 89 | are consistent e.g. all 'channel' or all 'velocity' etc. |
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| 90 | """ |
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[710] | 91 | if self._plotter.is_dead: |
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[1765] | 92 | if hasattr(self._plotter.figmgr,'casabar'): |
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| 93 | del self._plotter.figmgr.casabar |
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[710] | 94 | self._plotter = self._newplotter() |
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[1765] | 95 | self._plotter.figmgr.casabar=self._newcasabar() |
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[600] | 96 | self._plotter.hold() |
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[203] | 97 | self._plotter.clear() |
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[935] | 98 | if not self._data and not scan: |
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[1101] | 99 | msg = "Input is not a scantable" |
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| 100 | if rcParams['verbose']: |
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[1612] | 101 | #print msg |
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[1614] | 102 | asaplog.push( msg ) |
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| 103 | print_log( 'ERROR' ) |
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[1101] | 104 | return |
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| 105 | raise TypeError(msg) |
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[1698] | 106 | if scan: self.set_data(scan,refresh=False) |
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[920] | 107 | self._plot(self._data) |
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[709] | 108 | if self._minmaxy is not None: |
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| 109 | self._plotter.set_limits(ylim=self._minmaxy) |
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[1724] | 110 | if self._plotter.figmgr.casabar: self._plotter.figmgr.casabar.enable_button() |
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[203] | 111 | self._plotter.release() |
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[1153] | 112 | self._plotter.tidy() |
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| 113 | self._plotter.show(hardrefresh=False) |
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[753] | 114 | print_log() |
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[203] | 115 | return |
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| 116 | |
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[1757] | 117 | def gca(self): |
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| 118 | return self._plotter.figure.gca() |
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[1153] | 119 | |
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[1757] | 120 | def refresh(self): |
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| 121 | """Do a soft refresh""" |
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| 122 | self._plotter.figure.show() |
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| 123 | |
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| 124 | def create_mask(self, nwin=1, panel=0, color=None): |
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| 125 | """ |
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| 126 | Interactively define a mask.It retruns a mask that is equivalent to |
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| 127 | the one created manually with scantable.create_mask. |
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| 128 | Parameters: |
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| 129 | nwin: The number of mask windows to create interactively |
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| 130 | default is 1. |
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| 131 | panel: Which panel to use for mask selection. This is useful |
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| 132 | if different IFs are spread over panels (default 0) |
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| 133 | """ |
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| 134 | if self._data is None: |
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| 135 | return [] |
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| 136 | outmask = [] |
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| 137 | self._plotter.subplot(panel) |
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| 138 | xmin, xmax = self._plotter.axes.get_xlim() |
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| 139 | marg = 0.05*(xmax-xmin) |
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| 140 | self._plotter.axes.set_xlim(xmin-marg, xmax+marg) |
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| 141 | self.refresh() |
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| 142 | |
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| 143 | def cleanup(lines=False, texts=False, refresh=False): |
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| 144 | if lines: |
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| 145 | del self._plotter.axes.lines[-1] |
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| 146 | if texts: |
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| 147 | del self._plotter.axes.texts[-1] |
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| 148 | if refresh: |
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| 149 | self.refresh() |
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| 150 | |
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| 151 | for w in xrange(nwin): |
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| 152 | wpos = [] |
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| 153 | self.text(0.05,1.0, "Add start boundary", |
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| 154 | coords="relative", fontsize=10) |
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| 155 | point = self._plotter.get_point() |
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| 156 | cleanup(texts=True) |
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| 157 | if point is None: |
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| 158 | continue |
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| 159 | wpos.append(point[0]) |
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| 160 | self.axvline(wpos[0], color=color) |
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| 161 | self.text(0.05,1.0, "Add end boundary", coords="relative", fontsize=10) |
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| 162 | point = self._plotter.get_point() |
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| 163 | cleanup(texts=True, lines=True) |
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| 164 | if point is None: |
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| 165 | self.refresh() |
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| 166 | continue |
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| 167 | wpos.append(point[0]) |
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| 168 | self.axvspan(wpos[0], wpos[1], alpha=0.1, |
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| 169 | edgecolor=color, facecolor=color) |
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| 170 | ymin, ymax = self._plotter.axes.get_ylim() |
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| 171 | outmask.append(wpos) |
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| 172 | |
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| 173 | self._plotter.axes.set_xlim(xmin, xmax) |
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| 174 | self.refresh() |
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| 175 | if len(outmask) > 0: |
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| 176 | return self._data.create_mask(*outmask) |
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| 177 | return [] |
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| 178 | |
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[1153] | 179 | # forwards to matplotlib axes |
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| 180 | def text(self, *args, **kwargs): |
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[1757] | 181 | if kwargs.has_key("interactive"): |
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| 182 | #if kwargs.pop("interactive"): |
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| 183 | # pos = self._plotter.get_point() |
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| 184 | # args = tuple(pos)+args |
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| 185 | kwargs.pop("interactive") |
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[1153] | 186 | self._axes_callback("text", *args, **kwargs) |
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[1757] | 187 | |
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[1358] | 188 | text.__doc__ = matplotlib.axes.Axes.text.__doc__ |
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[1757] | 189 | |
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[1153] | 190 | def arrow(self, *args, **kwargs): |
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[1757] | 191 | if kwargs.has_key("interactive"): |
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| 192 | #if kwargs.pop("interactive"): |
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| 193 | # pos = self._plotter.get_region() |
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| 194 | # dpos = (pos[0][0], pos[0][1], |
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| 195 | # pos[1][0]-pos[0][0], |
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| 196 | # pos[1][1] - pos[0][1]) |
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| 197 | # args = dpos + args |
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| 198 | kwargs.pop("interactive") |
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[1153] | 199 | self._axes_callback("arrow", *args, **kwargs) |
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[1757] | 200 | |
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[1358] | 201 | arrow.__doc__ = matplotlib.axes.Axes.arrow.__doc__ |
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[1757] | 202 | |
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| 203 | def annotate(self, text, xy=None, xytext=None, **kwargs): |
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| 204 | if kwargs.has_key("interactive"): |
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| 205 | #if kwargs.pop("interactive"): |
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| 206 | # xy = self._plotter.get_point() |
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| 207 | # xytext = self._plotter.get_point() |
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| 208 | kwargs.pop("interactive") |
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| 209 | if not kwargs.has_key("arrowprops"): |
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| 210 | kwargs["arrowprops"] = dict(arrowstyle="->") |
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| 211 | self._axes_callback("annotate", text, xy, xytext, **kwargs) |
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| 212 | |
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| 213 | annotate.__doc__ = matplotlib.axes.Axes.annotate.__doc__ |
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| 214 | |
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[1153] | 215 | def axvline(self, *args, **kwargs): |
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[1757] | 216 | if kwargs.has_key("interactive"): |
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| 217 | #if kwargs.pop("interactive"): |
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| 218 | # pos = self._plotter.get_point() |
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| 219 | # args = (pos[0],)+args |
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| 220 | kwargs.pop("interactive") |
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[1153] | 221 | self._axes_callback("axvline", *args, **kwargs) |
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[1757] | 222 | |
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[1358] | 223 | axvline.__doc__ = matplotlib.axes.Axes.axvline.__doc__ |
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[1757] | 224 | |
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[1153] | 225 | def axhline(self, *args, **kwargs): |
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[1757] | 226 | if kwargs.has_key("interactive"): |
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| 227 | #if kwargs.pop("interactive"): |
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| 228 | # pos = self._plotter.get_point() |
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| 229 | # args = (pos[1],)+args |
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| 230 | kwargs.pop("interactive") |
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[1153] | 231 | self._axes_callback("axhline", *args, **kwargs) |
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[1757] | 232 | |
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[1358] | 233 | axhline.__doc__ = matplotlib.axes.Axes.axhline.__doc__ |
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[1757] | 234 | |
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[1153] | 235 | def axvspan(self, *args, **kwargs): |
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[1757] | 236 | if kwargs.has_key("interactive"): |
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| 237 | #if kwargs.pop("interactive"): |
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| 238 | # pos = self._plotter.get_region() |
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| 239 | # dpos = (pos[0][0], pos[1][0]) |
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| 240 | # args = dpos + args |
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| 241 | kwargs.pop("interactive") |
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[1153] | 242 | self._axes_callback("axvspan", *args, **kwargs) |
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| 243 | # hack to preventy mpl from redrawing the patch |
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| 244 | # it seem to convert the patch into lines on every draw. |
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| 245 | # This doesn't happen in a test script??? |
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[1757] | 246 | #del self._plotter.axes.patches[-1] |
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| 247 | |
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[1358] | 248 | axvspan.__doc__ = matplotlib.axes.Axes.axvspan.__doc__ |
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[1232] | 249 | |
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[1153] | 250 | def axhspan(self, *args, **kwargs): |
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[1757] | 251 | if kwargs.has_key("interactive"): |
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| 252 | #if kwargs.pop("interactive"): |
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| 253 | # pos = self._plotter.get_region() |
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| 254 | # dpos = (pos[0][1], pos[1][1]) |
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| 255 | # args = dpos + args |
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| 256 | kwargs.pop("interactive") |
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[1232] | 257 | self._axes_callback("axhspan", *args, **kwargs) |
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[1153] | 258 | # hack to preventy mpl from redrawing the patch |
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| 259 | # it seem to convert the patch into lines on every draw. |
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| 260 | # This doesn't happen in a test script??? |
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[1757] | 261 | #del self._plotter.axes.patches[-1] |
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| 262 | |
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[1358] | 263 | axhspan.__doc__ = matplotlib.axes.Axes.axhspan.__doc__ |
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[1153] | 264 | |
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| 265 | def _axes_callback(self, axesfunc, *args, **kwargs): |
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| 266 | panel = 0 |
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| 267 | if kwargs.has_key("panel"): |
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| 268 | panel = kwargs.pop("panel") |
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| 269 | coords = None |
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| 270 | if kwargs.has_key("coords"): |
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| 271 | coords = kwargs.pop("coords") |
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| 272 | if coords.lower() == 'world': |
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| 273 | kwargs["transform"] = self._plotter.axes.transData |
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| 274 | elif coords.lower() == 'relative': |
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| 275 | kwargs["transform"] = self._plotter.axes.transAxes |
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| 276 | self._plotter.subplot(panel) |
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| 277 | self._plotter.axes.set_autoscale_on(False) |
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| 278 | getattr(self._plotter.axes, axesfunc)(*args, **kwargs) |
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| 279 | self._plotter.show(False) |
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| 280 | self._plotter.axes.set_autoscale_on(True) |
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| 281 | # end matplotlib.axes fowarding functions |
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| 282 | |
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[1698] | 283 | def set_data(self, scan, refresh=True): |
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[203] | 284 | """ |
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[1698] | 285 | Set a scantable to plot. |
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| 286 | Parameters: |
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| 287 | scan: a scantable |
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| 288 | refresh: True (default) or False. If True, the plot is |
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| 289 | replotted based on the new parameter setting(s). |
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| 290 | Otherwise,the parameter(s) are set without replotting. |
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[1702] | 291 | Note: |
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| 292 | The user specified masks and data selections will be reset |
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| 293 | if a new scantable is set. This method should be called before |
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| 294 | setting data selections (set_selection) and/or masks (set_mask). |
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[1698] | 295 | """ |
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| 296 | from asap import scantable |
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| 297 | if isinstance(scan, scantable): |
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| 298 | if self._data is not None: |
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| 299 | if scan != self._data: |
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| 300 | self._data = scan |
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| 301 | # reset |
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| 302 | self._reset() |
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[1702] | 303 | msg = "A new scantable is set to the plotter. The masks and data selections are reset." |
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| 304 | asaplog.push( msg ) |
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| 305 | print_log( 'INFO' ) |
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[1698] | 306 | else: |
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| 307 | self._data = scan |
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| 308 | self._reset() |
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| 309 | else: |
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| 310 | msg = "Input is not a scantable" |
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| 311 | if rcParams['verbose']: |
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| 312 | #print msg |
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| 313 | asaplog.push( msg ) |
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| 314 | print_log( 'ERROR' ) |
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| 315 | return |
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| 316 | raise TypeError(msg) |
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| 317 | |
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| 318 | # ranges become invalid when unit changes |
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| 319 | if self._abcunit and self._abcunit != self._data.get_unit(): |
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| 320 | self._minmaxx = None |
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| 321 | self._minmaxy = None |
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| 322 | self._abcunit = self._data.get_unit() |
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| 323 | self._datamask = None |
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| 324 | if refresh: self.plot() |
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| 325 | |
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| 326 | |
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| 327 | def set_mode(self, stacking=None, panelling=None, refresh=True): |
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| 328 | """ |
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[377] | 329 | Set the plots look and feel, i.e. what you want to see on the plot. |
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[203] | 330 | Parameters: |
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| 331 | stacking: tell the plotter which variable to plot |
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[1217] | 332 | as line colour overlays (default 'pol') |
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[203] | 333 | panelling: tell the plotter which variable to plot |
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| 334 | across multiple panels (default 'scan' |
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[1698] | 335 | refresh: True (default) or False. If True, the plot is |
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| 336 | replotted based on the new parameter setting(s). |
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| 337 | Otherwise,the parameter(s) are set without replotting. |
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[203] | 338 | Note: |
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| 339 | Valid modes are: |
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| 340 | 'beam' 'Beam' 'b': Beams |
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| 341 | 'if' 'IF' 'i': IFs |
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| 342 | 'pol' 'Pol' 'p': Polarisations |
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| 343 | 'scan' 'Scan' 's': Scans |
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| 344 | 'time' 'Time' 't': Times |
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| 345 | """ |
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[753] | 346 | msg = "Invalid mode" |
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| 347 | if not self.set_panelling(panelling) or \ |
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| 348 | not self.set_stacking(stacking): |
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| 349 | if rcParams['verbose']: |
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[1612] | 350 | #print msg |
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[1614] | 351 | asaplog.push( msg ) |
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| 352 | print_log( 'ERROR' ) |
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[753] | 353 | return |
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| 354 | else: |
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| 355 | raise TypeError(msg) |
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[1698] | 356 | if refresh and self._data: self.plot(self._data) |
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[203] | 357 | return |
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| 358 | |
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[554] | 359 | def set_panelling(self, what=None): |
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| 360 | mode = what |
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| 361 | if mode is None: |
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| 362 | mode = rcParams['plotter.panelling'] |
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| 363 | md = self._translate(mode) |
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[203] | 364 | if md: |
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[554] | 365 | self._panelling = md |
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[226] | 366 | self._title = None |
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[203] | 367 | return True |
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| 368 | return False |
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| 369 | |
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[1698] | 370 | def set_layout(self,rows=None,cols=None,refresh=True): |
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[377] | 371 | """ |
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| 372 | Set the multi-panel layout, i.e. how many rows and columns plots |
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| 373 | are visible. |
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| 374 | Parameters: |
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| 375 | rows: The number of rows of plots |
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| 376 | cols: The number of columns of plots |
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[1698] | 377 | refresh: True (default) or False. If True, the plot is |
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| 378 | replotted based on the new parameter setting(s). |
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| 379 | Otherwise,the parameter(s) are set without replotting. |
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[377] | 380 | Note: |
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| 381 | If no argument is given, the potter reverts to its auto-plot |
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| 382 | behaviour. |
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| 383 | """ |
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| 384 | self._rows = rows |
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| 385 | self._cols = cols |
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[1698] | 386 | if refresh and self._data: self.plot(self._data) |
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[377] | 387 | return |
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| 388 | |
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[709] | 389 | def set_stacking(self, what=None): |
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[554] | 390 | mode = what |
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[709] | 391 | if mode is None: |
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| 392 | mode = rcParams['plotter.stacking'] |
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[554] | 393 | md = self._translate(mode) |
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[203] | 394 | if md: |
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| 395 | self._stacking = md |
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[226] | 396 | self._lmap = None |
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[203] | 397 | return True |
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| 398 | return False |
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| 399 | |
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[1698] | 400 | def set_range(self,xstart=None,xend=None,ystart=None,yend=None,refresh=True): |
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[203] | 401 | """ |
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| 402 | Set the range of interest on the abcissa of the plot |
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| 403 | Parameters: |
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[525] | 404 | [x,y]start,[x,y]end: The start and end points of the 'zoom' window |
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[1698] | 405 | refresh: True (default) or False. If True, the plot is |
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| 406 | replotted based on the new parameter setting(s). |
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| 407 | Otherwise,the parameter(s) are set without replotting. |
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[203] | 408 | Note: |
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| 409 | These become non-sensical when the unit changes. |
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| 410 | use plotter.set_range() without parameters to reset |
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| 411 | |
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| 412 | """ |
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[525] | 413 | if xstart is None and xend is None: |
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| 414 | self._minmaxx = None |
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[600] | 415 | else: |
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| 416 | self._minmaxx = [xstart,xend] |
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[525] | 417 | if ystart is None and yend is None: |
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| 418 | self._minmaxy = None |
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[600] | 419 | else: |
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[709] | 420 | self._minmaxy = [ystart,yend] |
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[1698] | 421 | if refresh and self._data: self.plot(self._data) |
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[203] | 422 | return |
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[709] | 423 | |
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[1698] | 424 | def set_legend(self, mp=None, fontsize = None, mode = 0, refresh=True): |
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[203] | 425 | """ |
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| 426 | Specify a mapping for the legend instead of using the default |
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| 427 | indices: |
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| 428 | Parameters: |
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[1101] | 429 | mp: a list of 'strings'. This should have the same length |
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| 430 | as the number of elements on the legend and then maps |
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| 431 | to the indeces in order. It is possible to uses latex |
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| 432 | math expression. These have to be enclosed in r'', |
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| 433 | e.g. r'$x^{2}$' |
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| 434 | fontsize: The font size of the label (default None) |
---|
| 435 | mode: where to display the legend |
---|
| 436 | Any other value for loc else disables the legend: |
---|
[1096] | 437 | 0: auto |
---|
| 438 | 1: upper right |
---|
| 439 | 2: upper left |
---|
| 440 | 3: lower left |
---|
| 441 | 4: lower right |
---|
| 442 | 5: right |
---|
| 443 | 6: center left |
---|
| 444 | 7: center right |
---|
| 445 | 8: lower center |
---|
| 446 | 9: upper center |
---|
| 447 | 10: center |
---|
[1698] | 448 | refresh: True (default) or False. If True, the plot is |
---|
| 449 | replotted based on the new parameter setting(s). |
---|
| 450 | Otherwise,the parameter(s) are set without replotting. |
---|
[203] | 451 | |
---|
| 452 | Example: |
---|
[485] | 453 | If the data has two IFs/rest frequencies with index 0 and 1 |
---|
[203] | 454 | for CO and SiO: |
---|
| 455 | plotter.set_stacking('i') |
---|
[710] | 456 | plotter.set_legend(['CO','SiO']) |
---|
[203] | 457 | plotter.plot() |
---|
[710] | 458 | plotter.set_legend([r'$^{12}CO$', r'SiO']) |
---|
[203] | 459 | """ |
---|
| 460 | self._lmap = mp |
---|
[1096] | 461 | self._plotter.legend(mode) |
---|
[1101] | 462 | if isinstance(fontsize, int): |
---|
| 463 | from matplotlib import rc as rcp |
---|
| 464 | rcp('legend', fontsize=fontsize) |
---|
[1698] | 465 | if refresh and self._data: self.plot(self._data) |
---|
[226] | 466 | return |
---|
| 467 | |
---|
[1698] | 468 | def set_title(self, title=None, fontsize=None, refresh=True): |
---|
[710] | 469 | """ |
---|
| 470 | Set the title of the plot. If multiple panels are plotted, |
---|
| 471 | multiple titles have to be specified. |
---|
[1698] | 472 | Parameters: |
---|
| 473 | refresh: True (default) or False. If True, the plot is |
---|
| 474 | replotted based on the new parameter setting(s). |
---|
| 475 | Otherwise,the parameter(s) are set without replotting. |
---|
[710] | 476 | Example: |
---|
| 477 | # two panels are visible on the plotter |
---|
| 478 | plotter.set_title(["First Panel","Second Panel"]) |
---|
| 479 | """ |
---|
[226] | 480 | self._title = title |
---|
[1101] | 481 | if isinstance(fontsize, int): |
---|
| 482 | from matplotlib import rc as rcp |
---|
| 483 | rcp('axes', titlesize=fontsize) |
---|
[1698] | 484 | if refresh and self._data: self.plot(self._data) |
---|
[226] | 485 | return |
---|
| 486 | |
---|
[1698] | 487 | def set_ordinate(self, ordinate=None, fontsize=None, refresh=True): |
---|
[710] | 488 | """ |
---|
| 489 | Set the y-axis label of the plot. If multiple panels are plotted, |
---|
| 490 | multiple labels have to be specified. |
---|
[1021] | 491 | Parameters: |
---|
| 492 | ordinate: a list of ordinate labels. None (default) let |
---|
| 493 | data determine the labels |
---|
[1698] | 494 | refresh: True (default) or False. If True, the plot is |
---|
| 495 | replotted based on the new parameter setting(s). |
---|
| 496 | Otherwise,the parameter(s) are set without replotting. |
---|
[710] | 497 | Example: |
---|
| 498 | # two panels are visible on the plotter |
---|
| 499 | plotter.set_ordinate(["First Y-Axis","Second Y-Axis"]) |
---|
| 500 | """ |
---|
[257] | 501 | self._ordinate = ordinate |
---|
[1101] | 502 | if isinstance(fontsize, int): |
---|
| 503 | from matplotlib import rc as rcp |
---|
| 504 | rcp('axes', labelsize=fontsize) |
---|
| 505 | rcp('ytick', labelsize=fontsize) |
---|
[1698] | 506 | if refresh and self._data: self.plot(self._data) |
---|
[257] | 507 | return |
---|
| 508 | |
---|
[1698] | 509 | def set_abcissa(self, abcissa=None, fontsize=None, refresh=True): |
---|
[710] | 510 | """ |
---|
| 511 | Set the x-axis label of the plot. If multiple panels are plotted, |
---|
| 512 | multiple labels have to be specified. |
---|
[1021] | 513 | Parameters: |
---|
| 514 | abcissa: a list of abcissa labels. None (default) let |
---|
| 515 | data determine the labels |
---|
[1698] | 516 | refresh: True (default) or False. If True, the plot is |
---|
| 517 | replotted based on the new parameter setting(s). |
---|
| 518 | Otherwise,the parameter(s) are set without replotting. |
---|
[710] | 519 | Example: |
---|
| 520 | # two panels are visible on the plotter |
---|
| 521 | plotter.set_ordinate(["First X-Axis","Second X-Axis"]) |
---|
| 522 | """ |
---|
[257] | 523 | self._abcissa = abcissa |
---|
[1101] | 524 | if isinstance(fontsize, int): |
---|
| 525 | from matplotlib import rc as rcp |
---|
| 526 | rcp('axes', labelsize=fontsize) |
---|
| 527 | rcp('xtick', labelsize=fontsize) |
---|
[1698] | 528 | if refresh and self._data: self.plot(self._data) |
---|
[257] | 529 | return |
---|
| 530 | |
---|
[1698] | 531 | def set_colors(self, colmap, refresh=True): |
---|
[377] | 532 | """ |
---|
[1217] | 533 | Set the colours to be used. The plotter will cycle through |
---|
| 534 | these colours when lines are overlaid (stacking mode). |
---|
[1021] | 535 | Parameters: |
---|
[1217] | 536 | colmap: a list of colour names |
---|
[1698] | 537 | refresh: True (default) or False. If True, the plot is |
---|
| 538 | replotted based on the new parameter setting(s). |
---|
| 539 | Otherwise,the parameter(s) are set without replotting. |
---|
[710] | 540 | Example: |
---|
| 541 | plotter.set_colors("red green blue") |
---|
| 542 | # If for example four lines are overlaid e.g I Q U V |
---|
| 543 | # 'I' will be 'red', 'Q' will be 'green', U will be 'blue' |
---|
| 544 | # and 'V' will be 'red' again. |
---|
| 545 | """ |
---|
[1217] | 546 | if isinstance(colmap,str): |
---|
| 547 | colmap = colmap.split() |
---|
| 548 | self._plotter.palette(0, colormap=colmap) |
---|
[1698] | 549 | if refresh and self._data: self.plot(self._data) |
---|
[710] | 550 | |
---|
[1217] | 551 | # alias for english speakers |
---|
| 552 | set_colours = set_colors |
---|
| 553 | |
---|
[1698] | 554 | def set_histogram(self, hist=True, linewidth=None, refresh=True): |
---|
[1021] | 555 | """ |
---|
| 556 | Enable/Disable histogram-like plotting. |
---|
| 557 | Parameters: |
---|
| 558 | hist: True (default) or False. The fisrt default |
---|
| 559 | is taken from the .asaprc setting |
---|
| 560 | plotter.histogram |
---|
[1698] | 561 | refresh: True (default) or False. If True, the plot is |
---|
| 562 | replotted based on the new parameter setting(s). |
---|
| 563 | Otherwise,the parameter(s) are set without replotting. |
---|
[1021] | 564 | """ |
---|
[1023] | 565 | self._hist = hist |
---|
[1101] | 566 | if isinstance(linewidth, float) or isinstance(linewidth, int): |
---|
| 567 | from matplotlib import rc as rcp |
---|
| 568 | rcp('lines', linewidth=linewidth) |
---|
[1698] | 569 | if refresh and self._data: self.plot(self._data) |
---|
[1023] | 570 | |
---|
[1698] | 571 | def set_linestyles(self, linestyles=None, linewidth=None, refresh=True): |
---|
[710] | 572 | """ |
---|
[734] | 573 | Set the linestyles to be used. The plotter will cycle through |
---|
| 574 | these linestyles when lines are overlaid (stacking mode) AND |
---|
| 575 | only one color has been set. |
---|
[710] | 576 | Parameters: |
---|
| 577 | linestyles: a list of linestyles to use. |
---|
| 578 | 'line', 'dashed', 'dotted', 'dashdot', |
---|
| 579 | 'dashdotdot' and 'dashdashdot' are |
---|
| 580 | possible |
---|
[1698] | 581 | refresh: True (default) or False. If True, the plot is |
---|
| 582 | replotted based on the new parameter setting(s). |
---|
| 583 | Otherwise,the parameter(s) are set without replotting. |
---|
[710] | 584 | Example: |
---|
| 585 | plotter.set_colors("black") |
---|
| 586 | plotter.set_linestyles("line dashed dotted dashdot") |
---|
| 587 | # If for example four lines are overlaid e.g I Q U V |
---|
| 588 | # 'I' will be 'solid', 'Q' will be 'dashed', |
---|
| 589 | # U will be 'dotted' and 'V' will be 'dashdot'. |
---|
| 590 | """ |
---|
| 591 | if isinstance(linestyles,str): |
---|
| 592 | linestyles = linestyles.split() |
---|
| 593 | self._plotter.palette(color=0,linestyle=0,linestyles=linestyles) |
---|
[1101] | 594 | if isinstance(linewidth, float) or isinstance(linewidth, int): |
---|
| 595 | from matplotlib import rc as rcp |
---|
| 596 | rcp('lines', linewidth=linewidth) |
---|
[1698] | 597 | if refresh and self._data: self.plot(self._data) |
---|
[710] | 598 | |
---|
[1757] | 599 | def set_font(self, refresh=True,**kwargs): |
---|
[1101] | 600 | """ |
---|
| 601 | Set font properties. |
---|
| 602 | Parameters: |
---|
| 603 | family: one of 'sans-serif', 'serif', 'cursive', 'fantasy', 'monospace' |
---|
| 604 | style: one of 'normal' (or 'roman'), 'italic' or 'oblique' |
---|
| 605 | weight: one of 'normal or 'bold' |
---|
| 606 | size: the 'general' font size, individual elements can be adjusted |
---|
| 607 | seperately |
---|
[1698] | 608 | refresh: True (default) or False. If True, the plot is |
---|
| 609 | replotted based on the new parameter setting(s). |
---|
| 610 | Otherwise,the parameter(s) are set without replotting. |
---|
[1101] | 611 | """ |
---|
| 612 | from matplotlib import rc as rcp |
---|
[1757] | 613 | fdict = {} |
---|
| 614 | for k,v in kwargs.iteritems(): |
---|
| 615 | if v: |
---|
| 616 | fdict[k] = v |
---|
| 617 | self._fp = FontProperties(**fdict) |
---|
[1698] | 618 | if refresh and self._data: self.plot(self._data) |
---|
[1101] | 619 | |
---|
[1723] | 620 | def set_panellayout(self,layout=[],refresh=True): |
---|
| 621 | """ |
---|
| 622 | Set the layout of subplots. |
---|
| 623 | Parameters: |
---|
| 624 | layout: a list of subplots layout in figure coordinate (0-1), |
---|
| 625 | i.e., fraction of the figure width or height. |
---|
| 626 | The order of elements should be: |
---|
| 627 | [left, bottom, right, top, horizontal space btw panels, |
---|
| 628 | vertical space btw panels]. |
---|
| 629 | refresh: True (default) or False. If True, the plot is |
---|
| 630 | replotted based on the new parameter setting(s). |
---|
| 631 | Otherwise,the parameter(s) are set without replotting. |
---|
| 632 | Note |
---|
| 633 | * When layout is not specified, the values are reset to the defaults |
---|
| 634 | of matplotlib. |
---|
| 635 | * If any element is set to be None, the current value is adopted. |
---|
| 636 | """ |
---|
| 637 | if layout == []: self._panellayout=self._reset_panellayout() |
---|
| 638 | else: |
---|
| 639 | self._panellayout=[None]*6 |
---|
| 640 | self._panellayout[0:len(layout)]=layout |
---|
| 641 | #print "panel layout set to ",self._panellayout |
---|
| 642 | if refresh and self._data: self.plot(self._data) |
---|
| 643 | |
---|
| 644 | def _reset_panellayout(self): |
---|
| 645 | ks=map(lambda x: 'figure.subplot.'+x, |
---|
| 646 | ['left','bottom','right','top','hspace','wspace']) |
---|
| 647 | return map(matplotlib.rcParams.get,ks) |
---|
| 648 | |
---|
[1259] | 649 | def plot_lines(self, linecat=None, doppler=0.0, deltachan=10, rotate=90.0, |
---|
[1146] | 650 | location=None): |
---|
| 651 | """ |
---|
[1158] | 652 | Plot a line catalog. |
---|
| 653 | Parameters: |
---|
| 654 | linecat: the linecatalog to plot |
---|
[1168] | 655 | doppler: the velocity shift to apply to the frequencies |
---|
[1158] | 656 | deltachan: the number of channels to include each side of the |
---|
| 657 | line to determine a local maximum/minimum |
---|
[1259] | 658 | rotate: the rotation (in degrees) )for the text label (default 90.0) |
---|
[1158] | 659 | location: the location of the line annotation from the 'top', |
---|
| 660 | 'bottom' or alternate (None - the default) |
---|
[1165] | 661 | Notes: |
---|
| 662 | If the spectrum is flagged no line will be drawn in that location. |
---|
[1146] | 663 | """ |
---|
[1259] | 664 | if not self._data: |
---|
| 665 | raise RuntimeError("No scantable has been plotted yet.") |
---|
[1146] | 666 | from asap._asap import linecatalog |
---|
[1259] | 667 | if not isinstance(linecat, linecatalog): |
---|
| 668 | raise ValueError("'linecat' isn't of type linecatalog.") |
---|
| 669 | if not self._data.get_unit().endswith("Hz"): |
---|
| 670 | raise RuntimeError("Can only overlay linecatalogs when data is in frequency.") |
---|
[1757] | 671 | from numpy import ma |
---|
[1146] | 672 | for j in range(len(self._plotter.subplots)): |
---|
| 673 | self._plotter.subplot(j) |
---|
| 674 | lims = self._plotter.axes.get_xlim() |
---|
[1153] | 675 | for row in range(linecat.nrow()): |
---|
[1259] | 676 | # get_frequency returns MHz |
---|
| 677 | base = { "GHz": 1000.0, "MHz": 1.0, "Hz": 1.0e-6 } |
---|
| 678 | restf = linecat.get_frequency(row)/base[self._data.get_unit()] |
---|
[1165] | 679 | c = 299792.458 |
---|
[1174] | 680 | freq = restf*(1.0-doppler/c) |
---|
[1146] | 681 | if lims[0] < freq < lims[1]: |
---|
| 682 | if location is None: |
---|
| 683 | loc = 'bottom' |
---|
[1153] | 684 | if row%2: loc='top' |
---|
[1146] | 685 | else: loc = location |
---|
[1153] | 686 | maxys = [] |
---|
| 687 | for line in self._plotter.axes.lines: |
---|
| 688 | v = line._x |
---|
| 689 | asc = v[0] < v[-1] |
---|
| 690 | |
---|
| 691 | idx = None |
---|
| 692 | if not asc: |
---|
| 693 | if v[len(v)-1] <= freq <= v[0]: |
---|
| 694 | i = len(v)-1 |
---|
| 695 | while i>=0 and v[i] < freq: |
---|
| 696 | idx = i |
---|
| 697 | i-=1 |
---|
| 698 | else: |
---|
| 699 | if v[0] <= freq <= v[len(v)-1]: |
---|
| 700 | i = 0 |
---|
| 701 | while i<len(v) and v[i] < freq: |
---|
| 702 | idx = i |
---|
| 703 | i+=1 |
---|
| 704 | if idx is not None: |
---|
| 705 | lower = idx - deltachan |
---|
| 706 | upper = idx + deltachan |
---|
| 707 | if lower < 0: lower = 0 |
---|
| 708 | if upper > len(v): upper = len(v) |
---|
| 709 | s = slice(lower, upper) |
---|
[1167] | 710 | y = line._y[s] |
---|
[1165] | 711 | maxy = ma.maximum(y) |
---|
| 712 | if isinstance( maxy, float): |
---|
| 713 | maxys.append(maxy) |
---|
[1164] | 714 | if len(maxys): |
---|
| 715 | peak = max(maxys) |
---|
[1165] | 716 | if peak > self._plotter.axes.get_ylim()[1]: |
---|
| 717 | loc = 'bottom' |
---|
[1164] | 718 | else: |
---|
| 719 | continue |
---|
[1157] | 720 | self._plotter.vline_with_label(freq, peak, |
---|
| 721 | linecat.get_name(row), |
---|
| 722 | location=loc, rotate=rotate) |
---|
[1153] | 723 | self._plotter.show(hardrefresh=False) |
---|
[1146] | 724 | |
---|
[1153] | 725 | |
---|
[710] | 726 | def save(self, filename=None, orientation=None, dpi=None): |
---|
| 727 | """ |
---|
[377] | 728 | Save the plot to a file. The know formats are 'png', 'ps', 'eps'. |
---|
| 729 | Parameters: |
---|
| 730 | filename: The name of the output file. This is optional |
---|
| 731 | and autodetects the image format from the file |
---|
| 732 | suffix. If non filename is specified a file |
---|
| 733 | called 'yyyymmdd_hhmmss.png' is created in the |
---|
| 734 | current directory. |
---|
[709] | 735 | orientation: optional parameter for postscript only (not eps). |
---|
| 736 | 'landscape', 'portrait' or None (default) are valid. |
---|
| 737 | If None is choosen for 'ps' output, the plot is |
---|
| 738 | automatically oriented to fill the page. |
---|
[710] | 739 | dpi: The dpi of the output non-ps plot |
---|
[377] | 740 | """ |
---|
[709] | 741 | self._plotter.save(filename,orientation,dpi) |
---|
[377] | 742 | return |
---|
[709] | 743 | |
---|
[257] | 744 | |
---|
[1698] | 745 | def set_mask(self, mask=None, selection=None, refresh=True): |
---|
[525] | 746 | """ |
---|
[734] | 747 | Set a plotting mask for a specific polarization. |
---|
| 748 | This is useful for masking out "noise" Pangle outside a source. |
---|
| 749 | Parameters: |
---|
[920] | 750 | mask: a mask from scantable.create_mask |
---|
| 751 | selection: the spectra to apply the mask to. |
---|
[1698] | 752 | refresh: True (default) or False. If True, the plot is |
---|
| 753 | replotted based on the new parameter setting(s). |
---|
| 754 | Otherwise,the parameter(s) are set without replotting. |
---|
[734] | 755 | Example: |
---|
[920] | 756 | select = selector() |
---|
| 757 | select.setpolstrings("Pangle") |
---|
| 758 | plotter.set_mask(mymask, select) |
---|
[734] | 759 | """ |
---|
[710] | 760 | if not self._data: |
---|
[920] | 761 | msg = "Can only set mask after a first call to plot()" |
---|
[753] | 762 | if rcParams['verbose']: |
---|
[1612] | 763 | #print msg |
---|
[1614] | 764 | asaplog.push( msg ) |
---|
| 765 | print_log( 'ERROR' ) |
---|
[762] | 766 | return |
---|
[753] | 767 | else: |
---|
[762] | 768 | raise RuntimeError(msg) |
---|
[920] | 769 | if len(mask): |
---|
| 770 | if isinstance(mask, list) or isinstance(mask, tuple): |
---|
| 771 | self._usermask = array(mask) |
---|
[710] | 772 | else: |
---|
[920] | 773 | self._usermask = mask |
---|
| 774 | if mask is None and selection is None: |
---|
| 775 | self._usermask = [] |
---|
| 776 | self._maskselection = None |
---|
| 777 | if isinstance(selection, selector): |
---|
[947] | 778 | self._maskselection = {'b': selection.get_beams(), |
---|
| 779 | 's': selection.get_scans(), |
---|
| 780 | 'i': selection.get_ifs(), |
---|
| 781 | 'p': selection.get_pols(), |
---|
[920] | 782 | 't': [] } |
---|
[710] | 783 | else: |
---|
[920] | 784 | self._maskselection = None |
---|
[1698] | 785 | if refresh: self.plot(self._data) |
---|
[710] | 786 | |
---|
[709] | 787 | def _slice_indeces(self, data): |
---|
| 788 | mn = self._minmaxx[0] |
---|
| 789 | mx = self._minmaxx[1] |
---|
| 790 | asc = data[0] < data[-1] |
---|
| 791 | start=0 |
---|
| 792 | end = len(data)-1 |
---|
| 793 | inc = 1 |
---|
| 794 | if not asc: |
---|
| 795 | start = len(data)-1 |
---|
| 796 | end = 0 |
---|
| 797 | inc = -1 |
---|
| 798 | # find min index |
---|
[1562] | 799 | #while start > 0 and data[start] < mn: |
---|
| 800 | # start+= inc |
---|
| 801 | minind=start |
---|
| 802 | for ind in xrange(start,end+inc,inc): |
---|
| 803 | if data[ind] > mn: break |
---|
| 804 | minind=ind |
---|
[709] | 805 | # find max index |
---|
[1562] | 806 | #while end > 0 and data[end] > mx: |
---|
| 807 | # end-=inc |
---|
| 808 | #if end > 0: end +=1 |
---|
| 809 | maxind=end |
---|
| 810 | for ind in xrange(end,start-inc,-inc): |
---|
| 811 | if data[ind] < mx: break |
---|
| 812 | maxind=ind |
---|
| 813 | start=minind |
---|
| 814 | end=maxind |
---|
[709] | 815 | if start > end: |
---|
[1562] | 816 | return end,start+1 |
---|
| 817 | elif start < end: |
---|
| 818 | return start,end+1 |
---|
| 819 | else: |
---|
| 820 | return start,end |
---|
[709] | 821 | |
---|
[710] | 822 | def _reset(self): |
---|
[920] | 823 | self._usermask = [] |
---|
[710] | 824 | self._usermaskspectra = None |
---|
[920] | 825 | self.set_selection(None, False) |
---|
| 826 | |
---|
| 827 | def _plot(self, scan): |
---|
[947] | 828 | savesel = scan.get_selection() |
---|
| 829 | sel = savesel + self._selection |
---|
| 830 | d0 = {'s': 'SCANNO', 'b': 'BEAMNO', 'i':'IFNO', |
---|
| 831 | 'p': 'POLNO', 'c': 'CYCLENO', 't' : 'TIME' } |
---|
| 832 | order = [d0[self._panelling],d0[self._stacking]] |
---|
| 833 | sel.set_order(order) |
---|
| 834 | scan.set_selection(sel) |
---|
[920] | 835 | d = {'b': scan.getbeam, 's': scan.getscan, |
---|
| 836 | 'i': scan.getif, 'p': scan.getpol, 't': scan._gettime } |
---|
| 837 | |
---|
[1148] | 838 | polmodes = dict(zip(self._selection.get_pols(), |
---|
| 839 | self._selection.get_poltypes())) |
---|
| 840 | # this returns either a tuple of numbers or a length (ncycles) |
---|
| 841 | # convert this into lengths |
---|
| 842 | n0,nstack0 = self._get_selected_n(scan) |
---|
| 843 | if isinstance(n0, int): n = n0 |
---|
[1175] | 844 | else: n = len(n0) |
---|
[1148] | 845 | if isinstance(nstack0, int): nstack = nstack0 |
---|
[1175] | 846 | else: nstack = len(nstack0) |
---|
[1757] | 847 | maxpanel, maxstack = 16,16 |
---|
[920] | 848 | if n > maxpanel or nstack > maxstack: |
---|
[1148] | 849 | maxn = 0 |
---|
| 850 | if nstack > maxstack: maxn = maxstack |
---|
| 851 | if n > maxpanel: maxn = maxpanel |
---|
[920] | 852 | msg ="Scan to be plotted contains more than %d selections.\n" \ |
---|
[1148] | 853 | "Selecting first %d selections..." % (maxn, maxn) |
---|
[920] | 854 | asaplog.push(msg) |
---|
[1614] | 855 | print_log('WARN') |
---|
[920] | 856 | n = min(n,maxpanel) |
---|
[998] | 857 | nstack = min(nstack,maxstack) |
---|
[920] | 858 | if n > 1: |
---|
| 859 | ganged = rcParams['plotter.ganged'] |
---|
[1446] | 860 | if self._panelling == 'i': |
---|
| 861 | ganged = False |
---|
[920] | 862 | if self._rows and self._cols: |
---|
| 863 | n = min(n,self._rows*self._cols) |
---|
| 864 | self._plotter.set_panels(rows=self._rows,cols=self._cols, |
---|
[1723] | 865 | # nplots=n,ganged=ganged) |
---|
| 866 | nplots=n,layout=self._panellayout,ganged=ganged) |
---|
[920] | 867 | else: |
---|
[1723] | 868 | # self._plotter.set_panels(rows=n,cols=0,nplots=n,ganged=ganged) |
---|
| 869 | self._plotter.set_panels(rows=n,cols=0,nplots=n,layout=self._panellayout,ganged=ganged) |
---|
[920] | 870 | else: |
---|
[1723] | 871 | # self._plotter.set_panels() |
---|
| 872 | self._plotter.set_panels(layout=self._panellayout) |
---|
[920] | 873 | r=0 |
---|
| 874 | nr = scan.nrow() |
---|
| 875 | a0,b0 = -1,-1 |
---|
| 876 | allxlim = [] |
---|
[1018] | 877 | allylim = [] |
---|
[920] | 878 | newpanel=True |
---|
| 879 | panelcount,stackcount = 0,0 |
---|
[1002] | 880 | while r < nr: |
---|
[920] | 881 | a = d[self._panelling](r) |
---|
| 882 | b = d[self._stacking](r) |
---|
| 883 | if a > a0 and panelcount < n: |
---|
| 884 | if n > 1: |
---|
| 885 | self._plotter.subplot(panelcount) |
---|
| 886 | self._plotter.palette(0) |
---|
| 887 | #title |
---|
| 888 | xlab = self._abcissa and self._abcissa[panelcount] \ |
---|
| 889 | or scan._getabcissalabel() |
---|
| 890 | ylab = self._ordinate and self._ordinate[panelcount] \ |
---|
| 891 | or scan._get_ordinate_label() |
---|
[1757] | 892 | self._plotter.set_axes('xlabel', xlab) |
---|
| 893 | self._plotter.set_axes('ylabel', ylab) |
---|
[920] | 894 | lbl = self._get_label(scan, r, self._panelling, self._title) |
---|
| 895 | if isinstance(lbl, list) or isinstance(lbl, tuple): |
---|
| 896 | if 0 <= panelcount < len(lbl): |
---|
| 897 | lbl = lbl[panelcount] |
---|
| 898 | else: |
---|
| 899 | # get default label |
---|
| 900 | lbl = self._get_label(scan, r, self._panelling, None) |
---|
| 901 | self._plotter.set_axes('title',lbl) |
---|
| 902 | newpanel = True |
---|
| 903 | stackcount =0 |
---|
| 904 | panelcount += 1 |
---|
| 905 | if (b > b0 or newpanel) and stackcount < nstack: |
---|
| 906 | y = [] |
---|
| 907 | if len(polmodes): |
---|
| 908 | y = scan._getspectrum(r, polmodes[scan.getpol(r)]) |
---|
| 909 | else: |
---|
| 910 | y = scan._getspectrum(r) |
---|
| 911 | m = scan._getmask(r) |
---|
[1757] | 912 | from numpy import logical_not, logical_and |
---|
[920] | 913 | if self._maskselection and len(self._usermask) == len(m): |
---|
| 914 | if d[self._stacking](r) in self._maskselection[self._stacking]: |
---|
| 915 | m = logical_and(m, self._usermask) |
---|
| 916 | x = scan._getabcissa(r) |
---|
[1757] | 917 | from numpy import ma, array |
---|
[1116] | 918 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False))) |
---|
[920] | 919 | if self._minmaxx is not None: |
---|
| 920 | s,e = self._slice_indeces(x) |
---|
| 921 | x = x[s:e] |
---|
| 922 | y = y[s:e] |
---|
[1096] | 923 | if len(x) > 1024 and rcParams['plotter.decimate']: |
---|
| 924 | fac = len(x)/1024 |
---|
[920] | 925 | x = x[::fac] |
---|
| 926 | y = y[::fac] |
---|
| 927 | llbl = self._get_label(scan, r, self._stacking, self._lmap) |
---|
| 928 | if isinstance(llbl, list) or isinstance(llbl, tuple): |
---|
| 929 | if 0 <= stackcount < len(llbl): |
---|
| 930 | # use user label |
---|
| 931 | llbl = llbl[stackcount] |
---|
| 932 | else: |
---|
| 933 | # get default label |
---|
| 934 | llbl = self._get_label(scan, r, self._stacking, None) |
---|
| 935 | self._plotter.set_line(label=llbl) |
---|
[1023] | 936 | plotit = self._plotter.plot |
---|
| 937 | if self._hist: plotit = self._plotter.hist |
---|
[1146] | 938 | if len(x) > 0: |
---|
| 939 | plotit(x,y) |
---|
| 940 | xlim= self._minmaxx or [min(x),max(x)] |
---|
| 941 | allxlim += xlim |
---|
| 942 | ylim= self._minmaxy or [ma.minimum(y),ma.maximum(y)] |
---|
| 943 | allylim += ylim |
---|
[1562] | 944 | else: |
---|
| 945 | xlim = self._minmaxx or [] |
---|
| 946 | allxlim += xlim |
---|
| 947 | ylim= self._minmaxy or [] |
---|
| 948 | allylim += ylim |
---|
[920] | 949 | stackcount += 1 |
---|
| 950 | # last in colour stack -> autoscale x |
---|
[1562] | 951 | if stackcount == nstack and len(allxlim) > 0: |
---|
[920] | 952 | allxlim.sort() |
---|
[1446] | 953 | self._plotter.subplots[panelcount-1]['axes'].set_xlim([allxlim[0],allxlim[-1]]) |
---|
[920] | 954 | # clear |
---|
| 955 | allxlim =[] |
---|
| 956 | |
---|
| 957 | newpanel = False |
---|
| 958 | a0=a |
---|
| 959 | b0=b |
---|
| 960 | # ignore following rows |
---|
| 961 | if (panelcount == n) and (stackcount == nstack): |
---|
[1018] | 962 | # last panel -> autoscale y if ganged |
---|
[1562] | 963 | if rcParams['plotter.ganged'] and len(allylim) > 0: |
---|
[1018] | 964 | allylim.sort() |
---|
| 965 | self._plotter.set_limits(ylim=[allylim[0],allylim[-1]]) |
---|
[998] | 966 | break |
---|
[920] | 967 | r+=1 # next row |
---|
[947] | 968 | #reset the selector to the scantable's original |
---|
| 969 | scan.set_selection(savesel) |
---|
[1757] | 970 | |
---|
| 971 | #temporary switch-off for older matplotlib |
---|
| 972 | #if self._fp is not None: |
---|
| 973 | if self._fp is not None and getattr(self._plotter.figure,'findobj',False): |
---|
| 974 | for o in self._plotter.figure.findobj(Text): |
---|
| 975 | o.set_fontproperties(self._fp) |
---|
[920] | 976 | |
---|
[1757] | 977 | def set_selection(self, selection=None, refresh=True, **kw): |
---|
[1698] | 978 | """ |
---|
| 979 | Parameters: |
---|
| 980 | selection: a selector object (default unset the selection) |
---|
| 981 | refresh: True (default) or False. If True, the plot is |
---|
| 982 | replotted based on the new parameter setting(s). |
---|
| 983 | Otherwise,the parameter(s) are set without replotting. |
---|
| 984 | """ |
---|
[1757] | 985 | if selection is None: |
---|
| 986 | # reset |
---|
| 987 | if len(kw) == 0: |
---|
| 988 | self._selection = selector() |
---|
| 989 | else: |
---|
| 990 | # try keywords |
---|
| 991 | for k in kw: |
---|
| 992 | if k not in selector.fields: |
---|
| 993 | raise KeyError("Invalid selection key '%s', valid keys are %s" % (k, selector.fields)) |
---|
| 994 | self._selection = selector(**kw) |
---|
| 995 | elif isinstance(selection, selector): |
---|
| 996 | self._selection = selection |
---|
| 997 | else: |
---|
| 998 | raise TypeError("'selection' is not of type selector") |
---|
| 999 | |
---|
[920] | 1000 | d0 = {'s': 'SCANNO', 'b': 'BEAMNO', 'i':'IFNO', |
---|
| 1001 | 'p': 'POLNO', 'c': 'CYCLENO', 't' : 'TIME' } |
---|
| 1002 | order = [d0[self._panelling],d0[self._stacking]] |
---|
[947] | 1003 | self._selection.set_order(order) |
---|
[1698] | 1004 | if refresh and self._data: self.plot(self._data) |
---|
[920] | 1005 | |
---|
| 1006 | def _get_selected_n(self, scan): |
---|
[1148] | 1007 | d1 = {'b': scan.getbeamnos, 's': scan.getscannos, |
---|
| 1008 | 'i': scan.getifnos, 'p': scan.getpolnos, 't': scan.ncycle } |
---|
| 1009 | d2 = { 'b': self._selection.get_beams(), |
---|
| 1010 | 's': self._selection.get_scans(), |
---|
| 1011 | 'i': self._selection.get_ifs(), |
---|
| 1012 | 'p': self._selection.get_pols(), |
---|
| 1013 | 't': self._selection.get_cycles() } |
---|
[920] | 1014 | n = d2[self._panelling] or d1[self._panelling]() |
---|
| 1015 | nstack = d2[self._stacking] or d1[self._stacking]() |
---|
| 1016 | return n,nstack |
---|
| 1017 | |
---|
| 1018 | def _get_label(self, scan, row, mode, userlabel=None): |
---|
[1153] | 1019 | if isinstance(userlabel, list) and len(userlabel) == 0: |
---|
| 1020 | userlabel = " " |
---|
[947] | 1021 | pms = dict(zip(self._selection.get_pols(),self._selection.get_poltypes())) |
---|
[920] | 1022 | if len(pms): |
---|
| 1023 | poleval = scan._getpollabel(scan.getpol(row),pms[scan.getpol(row)]) |
---|
| 1024 | else: |
---|
| 1025 | poleval = scan._getpollabel(scan.getpol(row),scan.poltype()) |
---|
| 1026 | d = {'b': "Beam "+str(scan.getbeam(row)), |
---|
[1714] | 1027 | #'s': scan._getsourcename(row), |
---|
| 1028 | 's': "Scan "+str(scan.getscan(row))+\ |
---|
| 1029 | " ("+str(scan._getsourcename(row))+")", |
---|
[920] | 1030 | 'i': "IF"+str(scan.getif(row)), |
---|
[964] | 1031 | 'p': poleval, |
---|
[1175] | 1032 | 't': str(scan.get_time(row)) } |
---|
[920] | 1033 | return userlabel or d[mode] |
---|
[1153] | 1034 | |
---|
[1446] | 1035 | def plotazel(self, scan=None, outfile=None): |
---|
[1757] | 1036 | #def plotazel(self): |
---|
[1389] | 1037 | """ |
---|
[1757] | 1038 | plot azimuth and elevation versus time of a scantable |
---|
[1389] | 1039 | """ |
---|
[1757] | 1040 | from matplotlib import pylab as PL |
---|
| 1041 | from matplotlib.dates import DateFormatter, timezone |
---|
| 1042 | from matplotlib.dates import HourLocator, MinuteLocator,SecondLocator, DayLocator |
---|
[1389] | 1043 | from matplotlib.ticker import MultipleLocator |
---|
[1757] | 1044 | from numpy import array, pi |
---|
[1389] | 1045 | self._data = scan |
---|
[1446] | 1046 | self._outfile = outfile |
---|
[1457] | 1047 | dates = self._data.get_time(asdatetime=True) |
---|
[1389] | 1048 | t = PL.date2num(dates) |
---|
| 1049 | tz = timezone('UTC') |
---|
| 1050 | PL.cla() |
---|
[1757] | 1051 | PL.ioff() |
---|
[1389] | 1052 | PL.clf() |
---|
[1723] | 1053 | # Adjust subplot layouts |
---|
| 1054 | if len(self._panellayout) !=6: self.set_panellayout(refresh=False) |
---|
| 1055 | lef, bot, rig, top, wsp, hsp = self._panellayout |
---|
| 1056 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top, |
---|
| 1057 | wspace=wsp,hspace=hsp) |
---|
| 1058 | |
---|
[1389] | 1059 | tdel = max(t) - min(t) |
---|
| 1060 | ax = PL.subplot(2,1,1) |
---|
| 1061 | el = array(self._data.get_elevation())*180./pi |
---|
| 1062 | PL.ylabel('El [deg.]') |
---|
| 1063 | dstr = dates[0].strftime('%Y/%m/%d') |
---|
| 1064 | if tdel > 1.0: |
---|
| 1065 | dstr2 = dates[len(dates)-1].strftime('%Y/%m/%d') |
---|
| 1066 | dstr = dstr + " - " + dstr2 |
---|
| 1067 | majloc = DayLocator() |
---|
| 1068 | minloc = HourLocator(range(0,23,12)) |
---|
| 1069 | timefmt = DateFormatter("%b%d") |
---|
[1757] | 1070 | elif tdel > 24./60.: |
---|
| 1071 | timefmt = DateFormatter('%H:%M') |
---|
| 1072 | majloc = HourLocator() |
---|
| 1073 | minloc = MinuteLocator(30) |
---|
[1389] | 1074 | else: |
---|
[1757] | 1075 | timefmt = DateFormatter('%H:%M') |
---|
| 1076 | majloc = MinuteLocator(interval=5) |
---|
| 1077 | minloc = SecondLocator(30) |
---|
| 1078 | |
---|
[1389] | 1079 | PL.title(dstr) |
---|
[1446] | 1080 | if tdel == 0.0: |
---|
| 1081 | th = (t - PL.floor(t))*24.0 |
---|
| 1082 | PL.plot(th,el,'o',markersize=2, markerfacecolor='b', markeredgecolor='b') |
---|
| 1083 | else: |
---|
| 1084 | PL.plot_date(t,el,'o', markersize=2, markerfacecolor='b', markeredgecolor='b',tz=tz) |
---|
| 1085 | #ax.grid(True) |
---|
| 1086 | ax.xaxis.set_major_formatter(timefmt) |
---|
| 1087 | ax.xaxis.set_major_locator(majloc) |
---|
| 1088 | ax.xaxis.set_minor_locator(minloc) |
---|
[1389] | 1089 | ax.yaxis.grid(True) |
---|
| 1090 | yloc = MultipleLocator(30) |
---|
| 1091 | ax.set_ylim(0,90) |
---|
| 1092 | ax.yaxis.set_major_locator(yloc) |
---|
| 1093 | if tdel > 1.0: |
---|
| 1094 | labels = ax.get_xticklabels() |
---|
| 1095 | # PL.setp(labels, fontsize=10, rotation=45) |
---|
| 1096 | PL.setp(labels, fontsize=10) |
---|
[1446] | 1097 | |
---|
[1389] | 1098 | # Az plot |
---|
| 1099 | az = array(self._data.get_azimuth())*180./pi |
---|
| 1100 | if min(az) < 0: |
---|
| 1101 | for irow in range(len(az)): |
---|
| 1102 | if az[irow] < 0: az[irow] += 360.0 |
---|
| 1103 | |
---|
[1757] | 1104 | ax2 = PL.subplot(2,1,2) |
---|
[1446] | 1105 | #PL.xlabel('Time (UT [hour])') |
---|
[1389] | 1106 | PL.ylabel('Az [deg.]') |
---|
[1446] | 1107 | if tdel == 0.0: |
---|
| 1108 | PL.plot(th,az,'o',markersize=2, markeredgecolor='b',markerfacecolor='b') |
---|
| 1109 | else: |
---|
| 1110 | PL.plot_date(t,az,'o', markersize=2,markeredgecolor='b',markerfacecolor='b',tz=tz) |
---|
[1757] | 1111 | ax2.xaxis.set_major_formatter(timefmt) |
---|
| 1112 | ax2.xaxis.set_major_locator(majloc) |
---|
| 1113 | ax2.xaxis.set_minor_locator(minloc) |
---|
| 1114 | #ax2.grid(True) |
---|
| 1115 | ax2.set_ylim(0,360) |
---|
| 1116 | ax2.yaxis.grid(True) |
---|
[1389] | 1117 | #hfmt = DateFormatter('%H') |
---|
| 1118 | #hloc = HourLocator() |
---|
| 1119 | yloc = MultipleLocator(60) |
---|
[1757] | 1120 | ax2.yaxis.set_major_locator(yloc) |
---|
[1389] | 1121 | if tdel > 1.0: |
---|
[1757] | 1122 | labels = ax2.get_xticklabels() |
---|
[1389] | 1123 | PL.setp(labels, fontsize=10) |
---|
[1446] | 1124 | PL.xlabel('Time (UT [day])') |
---|
| 1125 | else: |
---|
| 1126 | PL.xlabel('Time (UT [hour])') |
---|
| 1127 | |
---|
[1757] | 1128 | PL.ion() |
---|
[1389] | 1129 | PL.draw() |
---|
[1446] | 1130 | if (self._outfile is not None): |
---|
| 1131 | PL.savefig(self._outfile) |
---|
[1389] | 1132 | |
---|
[1446] | 1133 | def plotpointing(self, scan=None, outfile=None): |
---|
[1757] | 1134 | #def plotpointing(self): |
---|
[1389] | 1135 | """ |
---|
| 1136 | plot telescope pointings |
---|
| 1137 | """ |
---|
[1757] | 1138 | from matplotlib import pylab as PL |
---|
| 1139 | from numpy import array, pi |
---|
[1389] | 1140 | self._data = scan |
---|
[1446] | 1141 | self._outfile = outfile |
---|
[1389] | 1142 | dir = array(self._data.get_directionval()).transpose() |
---|
| 1143 | ra = dir[0]*180./pi |
---|
| 1144 | dec = dir[1]*180./pi |
---|
| 1145 | PL.cla() |
---|
[1446] | 1146 | #PL.ioff() |
---|
[1389] | 1147 | PL.clf() |
---|
[1723] | 1148 | # Adjust subplot layouts |
---|
| 1149 | if len(self._panellayout) !=6: self.set_panellayout(refresh=False) |
---|
| 1150 | lef, bot, rig, top, wsp, hsp = self._panellayout |
---|
| 1151 | PL.gcf().subplots_adjust(left=lef,bottom=bot,right=rig,top=top, |
---|
| 1152 | wspace=wsp,hspace=hsp) |
---|
[1732] | 1153 | ax = PL.gca() |
---|
| 1154 | #ax = PL.axes([0.1,0.1,0.8,0.8]) |
---|
| 1155 | #ax = PL.axes([0.1,0.1,0.8,0.8]) |
---|
[1389] | 1156 | ax.set_aspect('equal') |
---|
[1757] | 1157 | PL.plot(ra, dec, 'b,') |
---|
[1389] | 1158 | PL.xlabel('RA [deg.]') |
---|
| 1159 | PL.ylabel('Declination [deg.]') |
---|
| 1160 | PL.title('Telescope pointings') |
---|
| 1161 | [xmin,xmax,ymin,ymax] = PL.axis() |
---|
| 1162 | PL.axis([xmax,xmin,ymin,ymax]) |
---|
[1446] | 1163 | #PL.ion() |
---|
[1389] | 1164 | PL.draw() |
---|
[1446] | 1165 | if (self._outfile is not None): |
---|
| 1166 | PL.savefig(self._outfile) |
---|
[1389] | 1167 | |
---|
[1446] | 1168 | # plot total power data |
---|
| 1169 | # plotting in time is not yet implemented.. |
---|
| 1170 | def plottp(self, scan=None, outfile=None): |
---|
| 1171 | if self._plotter.is_dead: |
---|
[1765] | 1172 | if hasattr(self._plotter.figmgr,'casabar'): |
---|
| 1173 | del self._plotter.figmgr.casabar |
---|
[1446] | 1174 | self._plotter = self._newplotter() |
---|
[1765] | 1175 | self._plotter.figmgr.casabar=self._newcasabar() |
---|
[1446] | 1176 | self._plotter.hold() |
---|
| 1177 | self._plotter.clear() |
---|
| 1178 | from asap import scantable |
---|
| 1179 | if not self._data and not scan: |
---|
| 1180 | msg = "Input is not a scantable" |
---|
| 1181 | if rcParams['verbose']: |
---|
[1612] | 1182 | #print msg |
---|
[1614] | 1183 | asaplog.push( msg ) |
---|
| 1184 | print_log( 'ERROR' ) |
---|
[1446] | 1185 | return |
---|
| 1186 | raise TypeError(msg) |
---|
| 1187 | if isinstance(scan, scantable): |
---|
| 1188 | if self._data is not None: |
---|
| 1189 | if scan != self._data: |
---|
| 1190 | self._data = scan |
---|
| 1191 | # reset |
---|
| 1192 | self._reset() |
---|
| 1193 | else: |
---|
| 1194 | self._data = scan |
---|
| 1195 | self._reset() |
---|
| 1196 | # ranges become invalid when abcissa changes? |
---|
| 1197 | #if self._abcunit and self._abcunit != self._data.get_unit(): |
---|
| 1198 | # self._minmaxx = None |
---|
| 1199 | # self._minmaxy = None |
---|
| 1200 | # self._abcunit = self._data.get_unit() |
---|
| 1201 | # self._datamask = None |
---|
[1723] | 1202 | |
---|
| 1203 | # Adjust subplot layouts |
---|
| 1204 | if len(self._panellayout) !=6: self.set_panellayout(refresh=False) |
---|
| 1205 | lef, bot, rig, top, wsp, hsp = self._panellayout |
---|
| 1206 | self._plotter.figure.subplots_adjust( |
---|
| 1207 | left=lef,bottom=bot,right=rig,top=top,wspace=wsp,hspace=hsp) |
---|
[1724] | 1208 | if self._plotter.figmgr.casabar: self._plotter.figmgr.casabar.disable_button() |
---|
[1446] | 1209 | self._plottp(self._data) |
---|
| 1210 | if self._minmaxy is not None: |
---|
| 1211 | self._plotter.set_limits(ylim=self._minmaxy) |
---|
| 1212 | self._plotter.release() |
---|
| 1213 | self._plotter.tidy() |
---|
| 1214 | self._plotter.show(hardrefresh=False) |
---|
| 1215 | print_log() |
---|
| 1216 | return |
---|
| 1217 | |
---|
| 1218 | def _plottp(self,scan): |
---|
| 1219 | """ |
---|
| 1220 | private method for plotting total power data |
---|
| 1221 | """ |
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| 1222 | from matplotlib.numerix import ma, array, arange, logical_not |
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| 1223 | r=0 |
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| 1224 | nr = scan.nrow() |
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| 1225 | a0,b0 = -1,-1 |
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| 1226 | allxlim = [] |
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| 1227 | allylim = [] |
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| 1228 | y=[] |
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| 1229 | self._plotter.set_panels() |
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| 1230 | self._plotter.palette(0) |
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| 1231 | #title |
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| 1232 | #xlab = self._abcissa and self._abcissa[panelcount] \ |
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| 1233 | # or scan._getabcissalabel() |
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| 1234 | #ylab = self._ordinate and self._ordinate[panelcount] \ |
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| 1235 | # or scan._get_ordinate_label() |
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| 1236 | xlab = self._abcissa or 'row number' #or Time |
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| 1237 | ylab = self._ordinate or scan._get_ordinate_label() |
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| 1238 | self._plotter.set_axes('xlabel',xlab) |
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| 1239 | self._plotter.set_axes('ylabel',ylab) |
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| 1240 | lbl = self._get_label(scan, r, 's', self._title) |
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| 1241 | if isinstance(lbl, list) or isinstance(lbl, tuple): |
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| 1242 | # if 0 <= panelcount < len(lbl): |
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| 1243 | # lbl = lbl[panelcount] |
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| 1244 | # else: |
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| 1245 | # get default label |
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| 1246 | lbl = self._get_label(scan, r, self._panelling, None) |
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| 1247 | self._plotter.set_axes('title',lbl) |
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| 1248 | y=array(scan._get_column(scan._getspectrum,-1)) |
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| 1249 | m = array(scan._get_column(scan._getmask,-1)) |
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| 1250 | y = ma.masked_array(y,mask=logical_not(array(m,copy=False))) |
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| 1251 | x = arange(len(y)) |
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| 1252 | # try to handle spectral data somewhat... |
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| 1253 | l,m = y.shape |
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| 1254 | if m > 1: |
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| 1255 | y=y.mean(axis=1) |
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| 1256 | plotit = self._plotter.plot |
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| 1257 | llbl = self._get_label(scan, r, self._stacking, None) |
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| 1258 | self._plotter.set_line(label=llbl) |
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| 1259 | if len(x) > 0: |
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| 1260 | plotit(x,y) |
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| 1261 | |
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| 1262 | |
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| 1263 | # forwards to matplotlib.Figure.text |
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| 1264 | def figtext(self, *args, **kwargs): |
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| 1265 | """ |
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| 1266 | Add text to figure at location x,y (relative 0-1 coords). |
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| 1267 | This method forwards *args and **kwargs to a Matplotlib method, |
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| 1268 | matplotlib.Figure.text. |
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| 1269 | See the method help for detailed information. |
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| 1270 | """ |
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| 1271 | self._plotter.text(*args, **kwargs) |
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| 1272 | # end matplotlib.Figure.text forwarding function |
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| 1273 | |
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[1723] | 1274 | |
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| 1275 | # printing header information |
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| 1276 | def print_header(self, plot=True, fontsize=9, logger=False, selstr='', extrastr=''): |
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| 1277 | """ |
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| 1278 | print data (scantable) header on the plot and/or logger. |
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| 1279 | Parameters: |
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| 1280 | plot: whether or not print header info on the plot. |
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| 1281 | fontsize: header font size (valid only plot=True) |
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| 1282 | autoscale: whether or not autoscale the plot (valid only plot=True) |
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| 1283 | logger: whether or not print header info on the logger. |
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| 1284 | selstr: additional selection string (not verified) |
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| 1285 | extrastr: additional string to print (not verified) |
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| 1286 | """ |
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| 1287 | if not plot and not logger: return |
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| 1288 | if not self._data: raise RuntimeError("No scantable has been set yet.") |
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| 1289 | # Now header will be printed on plot and/or logger. |
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| 1290 | # Get header information and format it. |
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| 1291 | ssum=self._data.__str__() |
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| 1292 | # Print Observation header to the upper-left corner of plot |
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| 1293 | if plot: |
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[1757] | 1294 | headstr=[ssum[ssum.find('Observer:'):ssum.find('Flux Unit:')]] |
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| 1295 | headstr.append(ssum[ssum.find('Beams:'):ssum.find('Observer:')] |
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| 1296 | +ssum[ssum.find('Rest Freqs:'):ssum.find('Abcissa:')]) |
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| 1297 | if extrastr != '': headstr[0]=extrastr+'\n'+headstr[0] |
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[1723] | 1298 | #headstr[1]='Data File: '+(filestr or 'unknown')+'\n'+headstr[1] |
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| 1299 | ssel='***Selections***\n'+(selstr+self._data.get_selection().__str__() or 'none') |
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| 1300 | headstr.append(ssel) |
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| 1301 | nstcol=len(headstr) |
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| 1302 | |
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| 1303 | self._plotter.hold() |
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| 1304 | for i in range(nstcol): |
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| 1305 | self._plotter.figure.text(0.03+float(i)/nstcol,0.98, |
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| 1306 | headstr[i], |
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| 1307 | horizontalalignment='left', |
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| 1308 | verticalalignment='top', |
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| 1309 | fontsize=fontsize) |
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| 1310 | import time |
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| 1311 | self._plotter.figure.text(0.99,0.0, |
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| 1312 | time.strftime("%a %d %b %Y %H:%M:%S %Z"), |
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| 1313 | horizontalalignment='right', |
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| 1314 | verticalalignment='bottom',fontsize=8) |
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| 1315 | self._plotter.release() |
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[1757] | 1316 | del headstr, ssel |
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[1723] | 1317 | if logger: |
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| 1318 | asaplog.push("----------------\n Plot Summary\n----------------") |
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| 1319 | asaplog.push(extrastr) |
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| 1320 | asaplog.push(ssum[ssum.find('Beams:'):]) |
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| 1321 | print_log() |
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| 1322 | del ssum |
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[1724] | 1323 | |
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| 1324 | |
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